How To Fix /UI5/THEMING_MSGS010 - Not a valid theme id "&1". Use only up to 30 alpha-numeric characters.

/UI5/THEMING_MSGS010 - Overview

• Message type: E = Error

• Message class: /UI5/THEMING_MSGS -

• Message number: 010

• Message text: Not a valid theme id "&1". Use only up to 30 alpha-numeric characters.

Self-Explanatory Message

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/UI5/THEMING_MSGS010 - Details

• The SAP error message /UI5/THEMING_MSGS010 Not a valid theme id "&1". Use only up to 30 alpha-numeric characters. typically occurs when you are trying to create or modify a theme in SAP UI5 and the theme ID you provided does not meet the required criteria. Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  
  Invalid Characters: The theme ID you are trying to use contains invalid characters. The error message specifies that only alpha-numeric characters are allowed.
  Length Exceeded: The theme ID exceeds the maximum length of 30 characters.
  Empty or Null Value: The theme ID might be empty or null, which is not acceptable.
  Special Characters: The presence of special characters (like spaces, symbols, etc.) in the theme ID can also trigger this error.
  
  
  Solution:
  
  Check Theme ID: Ensure that the theme ID you are using is composed only of alpha-numeric characters (A-Z, a-z, 0-9).
  Limit Length: Make sure the theme ID